1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* sendrecieve.cc
*
* Fri Jul 13 12:38:45 CEST 2007
* Copyright 2007 Bent Bisballe Nyeng, Lars Bisballe Jensen and Peter Skaarup
* deva@aasimon.org, elsenator@gmail.com and piparum@piparum.dk
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Pracro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "sendrecieve.h"
#include <stdio.h>
#include <QApplication>
#include <QMessageBox>
#include <QTcpSocket>
#include <QDomDocument>
#include <QByteArray>
SendRecieve::SendRecieve()
: QObject()
{
has_result = false;
}
void SendRecieve::tcpConnect()
{
tcpsocket->connectToHost("gargamel.j.auh.dk", 12345);
tcpConnected = TCP_CONNECTING;
}
void SendRecieve::tcpDisconnect()
{
tcpsocket->disconnectFromHost();
while(tcpConnected != TCP_DISCONNECTED) {
if(tcpConnected == TCP_ERROR) {
tcpConnected = TCP_DISCONNECTED;
return;
}
usleep(5000);
printf("ERROR!!! Couldn't connect to host!\n");
qApp->processEvents();
}
}
int SendRecieve::tcpStatus()
{
return tcpConnected;
}
void SendRecieve::makeConnection(QDomDocument *xml_req)
{
this->xml_req = xml_req;
tcpsocket = new QTcpSocket;
connect(tcpsocket, SIGNAL(hostFound()), this, SLOT(myHostFound()));
connect(tcpsocket, SIGNAL(readyRead()), this, SLOT(myReadyReadHandler()));
connect(tcpsocket, SIGNAL(connected()), this, SLOT(myConnected()));
connect(tcpsocket, SIGNAL(disconnected()), this, SLOT(myDisconnected()));
connect(tcpsocket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(myError(QAbstractSocket::SocketError)));
tcpConnect();
}
void SendRecieve::myTcpWrite(char *msg, int len)
{
if(tcpConnected == TCP_CONNECTED)
tcpsocket->write(msg, len);
else
printf("TCP socket not initialized!\n");
}
void SendRecieve::myHostFound() // slot
{
printf("Host Found!\n");
}
void SendRecieve::myConnected() // slot
{
tcpConnected = TCP_CONNECTED;
printf("TCP Connected!\n");
QByteArray ba = xml_req->toByteArray();
char *request = ba.data();
myTcpWrite(request, ba.length());
}
void SendRecieve::myDisconnected() // slot
{
tcpConnected = TCP_DISCONNECTED;
printf("TCP Disconnected!\n");
// Result recieved, allow getResult to return ba_all
has_result = true;
}
void SendRecieve::myError(QAbstractSocket::SocketError) // slot
{
tcpConnected = TCP_ERROR;
QMessageBox::information(NULL, tr("Pracro"), tr("Couldn't connect to server.\nPlease contact a system administrator to resolve the problem."));
exit(1);
}
void SendRecieve::myReadyReadHandler()
{
QByteArray ba;
ba = tcpsocket->readAll();
ba_all.append(ba);
}
QByteArray SendRecieve::getResult()
{
while(has_result == false) {
qApp->processEvents();
}
return ba_all;
}
|
